<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
      div{
        width: 200px;height: 200px;
        border:1px solid red;
        overflow: scroll;
      }
      img{
        width: 100px;
        /*设置行内元素的垂直对齐方式
        top上对齐
        middle中间对齐
        bottom下对齐
        baseline基线对齐(默认)*/
        vertical-align: bottom;
      }
    </style>
</head>
<body>
<input type="text"><img src="../b.jpg" alt="">
<div>
  <img src="../b.jpg" alt="">
</div>
</body>
</html>